CI:debug: try caching entire ci-exports/ folder

.gitlab-ci.yml

@@ -33,7 +33,6 @@ build_docker:
         - docker:19.03.12-dind
     script:
         # Try to load latest branch image from local tar or from registry
-        - pwd
         - find ..
         - docker load -i ci-exports/$CI_COMMIT_REF_SLUG.tar || docker pull $CI_REGISTRY_IMAGE:latest || true
         - docker build --cache-from $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:latest .
@@ -61,7 +60,7 @@ build_docker:
         # The same key should be used across branches
         key: "$CI_COMMIT_REF_SLUG"
         paths:
-            - ci-exports/*.tar
+            - ci-exports/
     only:
         - master
         - merge_requests